(19)
(11) EP 4 025 366 A1

(12)

(43) Date of publication:
13.07.2022 Bulletin 2022/28

(21) Application number: 20861270.5

(22) Date of filing: 04.09.2020
(51) International Patent Classification (IPC): 
B23B 49/00(2006.01)
B23Q 15/14(2006.01)
G01B 11/26(2006.01)
(52) Cooperative Patent Classification (CPC):
B23B 49/00; B23B 2260/10; B23B 2260/092; B25H 1/0092; G01B 11/026
(86) International application number:
PCT/US2020/049530
(87) International publication number:
WO 2021/046439 (11.03.2021 Gazette 2021/10)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 04.09.2019 US 201962895703 P

(71) Applicant: Cerwin, John
Gurnee, IL 60031 (US)

(72) Inventor:
  • Cerwin, John
    Gurnee, IL 60031 (US)

(74) Representative: Herrero & Asociados, S.L. 
Cedaceros, 1
28014 Madrid
28014 Madrid (ES)

   


(54) DEVICES FOR ATTACHMENT TO ROTARY TOOLS